EP1419327B1 - Unite de commande destinee a la selection de programmes de changements de vitesses ou de rapports d'une boite de vitesses automatique de vehicule - Google Patents

Unite de commande destinee a la selection de programmes de changements de vitesses ou de rapports d'une boite de vitesses automatique de vehicule Download PDF

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Publication number
EP1419327B1
EP1419327B1 EP02758154A EP02758154A EP1419327B1 EP 1419327 B1 EP1419327 B1 EP 1419327B1 EP 02758154 A EP02758154 A EP 02758154A EP 02758154 A EP02758154 A EP 02758154A EP 1419327 B1 EP1419327 B1 EP 1419327B1
Authority
EP
European Patent Office
Prior art keywords
control unit
selector lever
operating device
parking lock
unit according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP02758154A
Other languages
German (de)
English (en)
Other versions
EP1419327A1 (fr
Inventor
Jörg Meyer
Ludger Rake
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Lemfoerder GmbH
Original Assignee
ZF Lemfoerder GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZF Lemfoerder GmbH filed Critical ZF Lemfoerder GmbH
Publication of EP1419327A1 publication Critical patent/EP1419327A1/fr
Application granted granted Critical
Publication of EP1419327B1 publication Critical patent/EP1419327B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/08—Range selector apparatus
    • F16H59/10—Range selector apparatus comprising levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/22—Locking of the control input devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/22—Locking of the control input devices
    • F16H2061/223—Electrical gear shift lock, e.g. locking of lever in park or neutral position by electric means if brake is not applied; Key interlock, i.e. locking the key if lever is not in park position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/22—Locking of the control input devices
    • F16H2061/226—Manual distress release of the locking means for shift levers, e.g. to allow towing of vehicle in case of breakdown
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5889—For automotive vehicles
    • Y10T70/5925—Transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20073—Control of plural mechanisms [e.g., control of transmission and control of 4 - wheel drive]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/2014—Manually operated selector [e.g., remotely controlled device, lever, push button, rotary dial, etc.]

Definitions

  • the invention relates to a control unit for the gear or shift program selection of an automatic motor vehicle transmission having an emergency unlocking mechanism, by means of which a parking brake of the motor vehicle transmission can be released by means of an operable by the driver operating device, with a housing and a bring in at least two end positions selector lever.
  • Automatic transmission for which the generic control unit can be used, usually have a plurality of manually preselected by the driver operating stages, which are also referred to as driving steps on.
  • One of the operating stages of an automatic transmission is a so-called parking position. If the parking position is selected on the automatic transmission by means of the control unit, blockage is brought about by suitable measures in the transmission, so that it is no longer possible to move the vehicle when the parking position is engaged.
  • emergency release mechanisms that allow mechanical unlocking of the inserted parking brake.
  • the mentioned emergency unlocking mechanisms usually consist of this an operating device, for example in the form of a pull lever, with the help of which the driver can release the inserted in the motor vehicle transmission parking lock by a pulling movement on the operating device via a cable.
  • Such emergency release can of course also in this way cancel the insertion of the parking brake in this way.
  • an emergency unlocking of the parking brake should only be carried out by authorized persons.
  • the generic US 5,588,330 discloses this already a control unit for the gear or switching program selection of an automatic motor vehicle transmission suf réelle an emergency unlocking suf réelle by which by means of an operating device, a parking brake of the motor vehicle transmission can be released.
  • the operating device can be actuated by the driver and is an integral part of the control unit, which has a housing and a selector lever which can be brought into at least two end positions, and furthermore has a releasable stop element secured in a receptacle of the control unit by means of a coded unlocking mechanism.
  • the stop element is used in the non-actuated state of Notentriegelungsmechanismus as a movement limit for the release movement of the parking brake by the operating device.
  • the operating device disadvantageously has many individual parts and is designed as a separate actuating operating part, so that this control unit is very expensive and therefore expensive to build.
  • Object of the present invention is therefore to develop a control unit of the generic type so that on the one hand a Parksperrenentriegelung is provided, which supports today's anti-theft measures in motor vehicles and is also designed in their operability so that the from the prior art usual single existing control devices for the emergency release mechanism of the parking lock of automatic motor vehicle transmissions can be omitted.
  • the operating device of the emergency unlocking mechanism is an integral part of the control unit and has a releasable stop element secured in a receptacle of the control unit by means of a coded unlocking mechanism which serves as a movement limit for the release movement of the parking lock by the operating device of the emergency unlocking mechanism in the non-actuated state.
  • the release movement of the parking brake is carried out by a shift of the selector lever for the gear or shift program selection such that the Notentriegelungs ein by shifting the selector lever via one of its end positions also takes place.
  • the driver is thus both the normal control of the motor vehicle transmission as well as for the operation of the emergency unlocking the same control element in the form of the selector lever available.
  • the operating device for the emergency release mechanism is realized by a control which is arranged on the selector lever, wherein the control element is coupled by means of a connecting member to the parking brake arranged on the motor vehicle transmission.
  • the control can be designed in this case according to an advantageous development of the inventive idea as a driver, which engages in a hook-shaped recess on the selector lever, as soon as this in the release position for the parking brake, d. H. in the emergency release position, is brought.
  • the driver can be coupled for example by means of a cable as a link to the parking brake, whereupon the invention is of course not limited, because any mechanical connection is possible.
  • the mechanical realization offers a cost-effective option of the development according to the invention.
  • control signal generated by the Hall sensor Hall sensor and associated permanent magnet is to be understood as a monitoring and information signal for the position of the parking brake.
  • the last-mentioned embodiment variant offers the particular advantage that the emergency unlocking position of the shift lever can be additionally transmitted to the motor vehicle transmission via the control lines already present in the case of shift-by-wire circuits.
  • a locking device for fixing the operating device in the release position for the parking brake is arranged in the housing of the control unit.
  • the locking device ensures that, for example, when towing the vehicle, in which the operating device, preferably the selector lever is placed in the Notentriegelungsposition, this remains in the selected position, and thus re-engagement of the parking brake is excluded during the towing process.
  • the latching device may advantageously consist of a rotatably mounted in the housing latch lever with a recess and a fixedly arranged on the selector lever locking lug, said recess and locking lug are brought into the parking lock Frcigabcposition of the selector lever.
  • the stop element which must be removed for actuating the release position of the selector lever from its receptacle within the control unit, can be secured against unauthorized removal by a Entsperrmechanik which is operated by a key mode.
  • a Entsperrmechanik which is operated by a key mode.
  • the necessary for the use of the vehicle ignition key must be inserted into the existing on the stop element unlock mechanism to remove the stop element and then press the emergency release can.
  • the unlocking mechanism may be provided with an electronic coding device. This can for example consist of an alphanumeric keyboard, in which a multi-digit code term is entered to unlock the unlocking mechanism and to allow the removal of the stop element.
  • the control unit for the gear or shift program selection of an automatic motor vehicle transmission shown in perspective in FIG. 1 has a selector lever 1, which is arranged pivotably about an axis of rotation 2 in a housing 3 of the control unit. At the lower, the selector lever side facing away from the housing 3, this is provided with a base 4, which serves for fastening the control unit to a non-illustrated body-side receptacle of a motor vehicle.
  • the selector lever 1 can be moved due to the storage by means of the rotation axis 2 in the longitudinal direction of the housing 3 according to the arrows P 1 and P 2 , so that in addition to the middle position of the selector lever 1 shown in Figure 1, two lateral end positions I and II result.
  • a holding element 5 is arranged for a cable 6.
  • the holding member 5 is used for fixing and guiding the one free end of the cable 6 on the housing 3.
  • the other end of the cable 6, not shown, is coupled to a unspecified here, as known from the prior art parking lock coupled to the motor vehicle transmission of the associated motor vehicle.
  • a stop element 7 can be seen, which serves as a movement limit for the release movement of the parking brake by the selector lever 1 in the installed state shown in FIG.
  • the functions of the stop element 7 in conjunction with an operating device for the operation of the Notentriegelungsmechanismus for the parking brake is explained in more detail in the following figures.
  • FIG. 1 additionally shows that the stop element 7 has a slot-shaped inlet 8 on its upper side for insertion of a key.
  • a correspondingly correctly coded key can be actuated by the rotation of a coded unlocking mechanism within the stop element, so that the stop element 7 can be removed from its receptacle 9 within the housing 3 of the control unit.
  • FIG. 1 The sectional view of Figure 2 through the housing 3 of the control unit can be seen that the selector lever 1 at its recorded in the housing 3 free end has a slotted guide 10.
  • the link guide 10 consists of a slide track 11 and a spring-loaded wheel 12 rolling thereon.
  • the interaction of slide track 11 and wheel 12 causes the selector lever 1 to have a stable middle position M, whereas the end positions I and II of the selector lever 1, which are also present, are "unstable". Positions are from which the selector lever 1 automatically returns to the stable center position M when released by the operator.
  • the movement limit for the end position I is defined by an elastic rubber buffer 13 which is received in an associated opening of the housing 3.
  • a rubber buffer 14 is also provided, which is attached to the removable from the housing 3 stop element 7.
  • the selector lever 1 is shown in its position I opposite end position II, wherein the selector lever 1 rests with a contact surface on the rubber buffer 14 of the stop element 7.
  • a latching device 16 (see FIG. 4) consisting of a latch lever 17 and a latching lug 1 arranged on the side wall of the selector lever 1 is received in the housing 3, wherein the latch lever 17 is engaged by a latching lever 17 in FIG apparent spring 23 is pressed with its front free end 20 against the stop element 7.
  • control unit is shown in the emergency unlocking position, in which the selector lever 1 assumes an end position which is pivoted further with respect to position II.
  • the prerequisite for the possibility that the selector lever 1 is to be pivoted beyond the end position II is the fact that the stop element 7, as shown in FIG. 4, has been removed from its receptacle 9 in the housing 3.
  • the removal of the stop element 7 causes on the one hand, that the stopper element 7 existing rubber buffer 14 no longer serves as a limitation of the deflection in the direction of arrow P 2 of the selector lever 1 and on the other hand, that by the absence of the stop element 7 of the latch lever 17 with the help of a spring designed as a spring 23 spring up in Direction of the selector lever 1 is pivoted and locked in its upper end position with the selector lever 1 laterally mounted locking lug 18.
  • the latching causes the selector lever 1 to remain in the emergency unlocking position.
  • the release movement for the parking brake is effected by a driver 19, which is located at the end of the projecting into the control unit cable 6.
  • a hook-shaped recess 21 which serves, upon movement of the selector lever 1 beyond the Endlagenposition II addition to the Notentriegelungsposition corresponding to the direction of the arrow P 2 the driver with the cable coupled thereto 6 to operate, and release the coupled with the cable 6 at the other end of the transmission gear parking lock.
  • FIG. 5 shows a further embodiment variant in which the control element, which is present as a part of the operating device for the emergency unlocking mechanism on the selector lever 1, is designed as a Hall sensor system.
  • the control element which is present as a part of the operating device for the emergency unlocking mechanism on the selector lever 1
  • the control element is designed as a Hall sensor system.
  • a number of Hall sensors 22 are fixed, which are sensitive to magnetic fields and can generate corresponding electronic control signals.
  • the individual Hall sensors 22 are each assigned to a corresponding position of the selector lever 1.
  • Such a donor signal can after removal of the stop element 7 and a pivoting of the selector lever 1 beyond the end position II also in the Notentriegelungsposition of the corresponding competent for this position Hall sensors are generated.
  • the generated command to release the parking lock of the emergency release mechanism in the motor vehicle transmission can be transmitted electronically, so that the transmission of the control command by means of a cable 6 described in the preceding figures can be dispensed with.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Control Of Transmission Device (AREA)

Claims (8)

  1. Unité de commande pour la sélection du programme du changement de rapport ou de vitesse d'une transmission automatique de véhicule automobile qui présente un mécanisme de déverrouillage d'urgence, par lequel le frein de parking de la transmission automatique du véhicule automobile peut être désenclenché par un dispositif de manoeuvre pouvant être actionné par le conducteur, comportant un boîtier (3) et un levier de sélection (1) pouvant être mis dans au moins deux positions de fin de course,
    le dispositif de manoeuvre du mécanisme de déverrouillage d'urgence faisant partie intégrante de l'unité de commande, et le dispositif de manoeuvre présentant dans un logement (9) de l'unité de commande un élément de butée (7) amovible protégé par un mécanisme de déblocage codé (15), lequel élément de butée sert de limiteur de mouvement pour le mouvement de désenclenchement du frein de parking par le dispositif de manoeuvre lorsque le mécanisme de déverrouillage d'urgence n'est pas actionné,
    caractérisée en ce que
    le mouvement de désenclenchement du frein de parking se fait par un déplacement du levier de sélection (1) au-delà d'une de ses positions de fin de course.
  2. Unité de commande selon la revendication 1,
    caractérisée en ce que
    le dispositif de manoeuvre est réalisé par un élément de commande (19, 21, 22) sur le levier de sélection (1), l'élément de commande étant couplé au moyen d'un organe de liaison (6) au frein de parking disposé sur la transmission du véhicule automobile.
  3. Unité de commande selon la revendication 2,
    caractérisée en ce que
    l'élément de commande est conçu sous la forme d'un entraîneur (19) qui s'engage dans un évidement en forme de crochet (21) prévu sur le levier de sélection (1) dès que ce dernier est mis dans la position de désenclenchement du frein de parking.
  4. Unité de commande selon la revendication 2,
    caractérisée en ce que
    l'élément de commande présente un système de détection à effet Hall (22) qui peut générer un signal électrique indicateur de la position du frein de parking.
  5. Unité de commande selon une des revendications 1 à 4,
    caractérisée en ce que
    un dispositif d'encliquetage (16) pour l'immobilisation du dispositif de manoeuvre dans la position désenclenchée du frein de parking est disposé dans le boîtier (3).
  6. Unité de commande selon la revendication 5
    caractérisée en ce que
    le dispositif d'encliquetage (16) présente un levier à cliquet (17) monté de manière pivotante dans le boîtier et comportant un évidement, et un taquet d'encliquetage (18) disposé fixement sur le levier de sélection (1), l'évidement et le taquet d'encliquetage venant en prise l'un avec l'autre lorsque le levier de sélection est en position de désenclenchement du frein de parking.
  7. Unité de commande selon une des revendications 1 à 6,
    caractérisée en ce que
    le mécanisme de déblocage (15) de l'élément de butée est protégé au moyen d'un code.
  8. Unité de commande selon une des revendications 1 à 6,
    caractérisée en ce que
    le mécanisme de déblocage (15) de l'élément de butée est protégé par un dispositif de codage électronique.
EP02758154A 2001-08-22 2002-08-20 Unite de commande destinee a la selection de programmes de changements de vitesses ou de rapports d'une boite de vitesses automatique de vehicule Expired - Fee Related EP1419327B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10140164A DE10140164A1 (de) 2001-08-22 2001-08-22 Steuereinheit für die Gang- oder Schaltprogrammwahl eines automatischen Kraftfahrzeuggetriebes
DE10140164 2001-08-22
PCT/DE2002/003100 WO2003019048A1 (fr) 2001-08-22 2002-08-20 Unite de commande destinee a la selection de programmes de changements de vitesses ou de rapports d'une boite de vitesses automatique de vehicule

Publications (2)

Publication Number Publication Date
EP1419327A1 EP1419327A1 (fr) 2004-05-19
EP1419327B1 true EP1419327B1 (fr) 2006-06-14

Family

ID=7695602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02758154A Expired - Fee Related EP1419327B1 (fr) 2001-08-22 2002-08-20 Unite de commande destinee a la selection de programmes de changements de vitesses ou de rapports d'une boite de vitesses automatique de vehicule

Country Status (6)

Country Link
US (1) US6851538B2 (fr)
EP (1) EP1419327B1 (fr)
JP (1) JP4118808B2 (fr)
DE (2) DE10140164A1 (fr)
ES (1) ES2264488T3 (fr)
WO (1) WO2003019048A1 (fr)

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Also Published As

Publication number Publication date
ES2264488T3 (es) 2007-01-01
EP1419327A1 (fr) 2004-05-19
JP2005500202A (ja) 2005-01-06
US20030173181A1 (en) 2003-09-18
DE50207208D1 (de) 2006-07-27
JP4118808B2 (ja) 2008-07-16
DE10140164A1 (de) 2003-03-13
US6851538B2 (en) 2005-02-08
WO2003019048A1 (fr) 2003-03-06

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